Parts
At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.
Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.
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On Sale
MP9, TP9, APC9, GHM9, SPC9 Magazine Spring - 9mm - 30 Round
B&T Brugger & Thomet
Now: $6.26Was: $6.95B&T 30 Round 9mm Magazine Spring Factory B&T replacement magazine spring for 30 round 9mm magazines. Compatible With: MP9/TP9HKP-21758Now: $6.26Was: $6.95 -
On Sale
Multitasker Twist - Pocket Multi-Tool
B&T Brugger & Thomet
Now: $62.10Was: $69.00B&T Multitasker Twist Pen-shaped multitool for weapon maintenance and optics/sight adjustments. CNC machined from 6063 T-6 aluminum, Type III Mil-spec Anodized. Features:HKP-21747Now: $62.10Was: $69.00 -
B&T Telescopic Stock End Cap
B&T Brugger & Thomet
$8.95B&T Telescopic Stock End Cap B&T replacement end cap for telescopic stocks. Limits the extension of the stock to keep it from sliding out of the guides.HKP-21721$8.95 -
HK417, MR762 QD End Plate - Flush Cup
H&K Heckler & Koch
$174.95H&K HK MR762/417 Flush Cup QD End Plate Factory HK flush end cap with dual QD sockets for ambidextrious sling attachment. Compatible With: HK MR762HKP-21642$174.95 -
On Sale
Title: HK416, MR556, AR-15 Lancer L5AWM GEN 2 Magazine - 30 Round - Translucent Smoke
Lancer
Now: $26.96Was: $29.95Lancer L5AWM GEN 2 HK416, MR556, AR-15 30 Round Magazine with Hardened Steel Feed Lips - Translucent Smoke The Lancer L5AWM GEN 2 is a 30-round steel/polymer hybrid magazine designed for compatible 5...HKP-21188Now: $26.96Was: $29.95 -
On Sale
HK MP5K, SP5K Buffer Replacement - Choate Stocks
Choate
Now: $18.86Was: $20.95Choate MP5K and SP5K Buffer Replacement - Choate Stocks Replacement Buffer Kit for HK MP5K, SP89 and SP5K End Caps Keep your HK roller-delayed firearm running reliably with this high-quality ReplaceHKP-21041Now: $18.86Was: $20.95 -
HK P2000 Magazine - 23 Round
HKP HK Parts / Heckler & Koch
$99.95H&K / HKP – 23 Round HK P2000 Magazine HK P2000 +10 magazine extension coupled with a new full-size HK P2000, 13 round magazine. Each unit is then fully assembled as an 23 round HK P2000 magazine...HKP-20801$99.95 -
Out Of Stock
HK USC to UMP Stock Block B with Thumb Screw
Michaels Machines
$249.95Michaels Machines USC to UMP Stock Block B w/Thumbscrew For use with all HK UMP factory or US made folding stocks. Each unit comes with a thumbscrew on one end and a slotted section on the other end...HKP-20722$249.95 -
On Sale
HK VP9, OR International Holster - Button Comp Carry
Comp-Tac
$50.97 - $79.95Comp-Tac HK VP9/OR International Button Comp Carry Holster At last a custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the Rail Mount Compensator, Comp Weight,...HKP-20053-M$50.97 - $79.95 -
HK G36K Handguard
H&K Heckler & Koch
$139.95HK G36K Forearm With Hand Stop & Heat Shield- German HK New HK German latest production HK G36K forearm that has the hand stop and heat shield installed. Also a popular forearm choice for those doing...HKP-00617$139.95 -
On Sale
HKP .40 S&W - Micro Comp - Threaded 9/16x24
HKP HK Parts
Now: $18.71Was: $49.95HKP .40 S&W - Micro Comp - Threaded 9/16x24 The HK Parts Micro Comp & Thread Protector is a lightweight, dual-function device serving as both a compensator and thread protector. It attaches easHKP-20369Now: $18.71Was: $49.95 -
HK P30, P30S 9mm Complete Recoil Assembly
H&K Heckler & Koch
$89.95HK P30 & P30S 9mm Recoil Rod Assembly - Complete A genuine German Heckler & Koch part. Fresh springs help the pistol function as it was designed. Compatible With:HKP-01497$89.95